<template>
  <div class="login">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">中间件资源管控系统</h3>
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="code">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2020 wzl All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from '@/Apis/Login'

export default {
   name: 'Login',
   data () {
      return {
         codeUrl: '',
         cookiePassword: '',
         loginForm: {
            username: 'admin',
            password: 'admin123',
            rememberMe: false,
            code: '',
            uuid: ''
         },
         loginRules: {
            username: [
               { required: true, trigger: 'blur', message: '用户名不能为空' }
            ],
            password: [
               { required: true, trigger: 'blur', message: '密码不能为空' }
            ],
            code: [{ required: true, trigger: 'change', message: '验证码不能为空' }]
         },
         loading: false,
         redirect: undefined
      }
   },
   watch: {
      $route: {
         handler: function (route) {
            this.redirect = route.query && route.query.redirect
         },
         immediate: true
      }
   },
   created () {
      this.getCode()
   },
   methods: {
      getCode () {
         getCodeImg().then(res => {
            if (res) {
               this.codeUrl = 'data:image/gif;base64,' + res.img
               this.loginForm.uuid = res.uuid
            }
         })
      },
      handleLogin () {
         this.$refs.loginForm.validate(valid => {
            if (valid) {
               this.loading = true
               this.$store
                  .dispatch('Login', this.loginForm)
                  .then(() => {
                     this.$router.push({ path: this.redirect || '/' })
                  })
                  .catch(() => {
                     this.loading = false
                     this.getCode()
                  })
            }
         })
      }
   }
}
</script>

<style lang="less">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../../Assets/Images/LoginBackground.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
